Delete User Account

Currently, all Nexus tablets running Jelly Bean or higher can enjoy multiple user accounts. With tablets often migrating between various people in the same household, there’s no reason for Dad’s finances to mingle with little Tammy’s candy crushing. Multiple users, each with s ...more

Welcome back, my tenderfoot hackers! So many readers in the Null Byte community have been asking me questions about evading detection and hacking undetected that I decided to start a new series on digital forensics. I applaud each of you for your concern, as the last thing I ...more

One of the most heated topics in the Android community now (and probably forever) is stock Android, with lots of users requesting the ability to use it rather than the manufacturer's skin. That's why Google has been offering phones like the HTC One, Samsung Galaxy S4, and Mot ...more

Smartphones are great. They help you keep in touch with your loved ones and stay up to date on what's going on in the world. The problem is that like everything else that's useful, they cost money to use, and between calling, texting, and data plans, it can get really expensiv ...more

Offensive pictures, depressing tweets, political statuses, and just plain old dumb comments are only a few of the reasons why people unfriend or unfollow others on social media sites. Sometimes it's just social spring cleaning, other times there's no reason at all. Personally ...more

Will the predicted apocalyptic date—December 21st, 2012—really be the end of the world? In this ongoing five-part series, we examine what would happen if zombies, nuclear weapons, cyber wars, earthquakes, or aliens actually destroyed our planet—and how you might survive. End ...more

One of the greatest consoles ever to exist in the world of gaming is the PlayStation 3, which even lets you do a million different things unrelated to games. But no matter how big of PS3 fan you are, you have to admit that the internal browser is not the greatest. Far from it. ...more

We use smartphones for just about everything, and while that may be beneficial to us in our day-to-day lives, it can also be used against us in the court of law. Law enforcement officials can seize smartphones and give warrants to Apple, Google, your cellular provider—whoever ...more

The last iOS software update was a modest one, but iOS 17.4 has a lot more for your iPhone, including changes to emoji, Podcasts, security, Safari, widgets, Apple Cash, CarPlay, and more. Many of the exciting changes in iOS 17.4, as well as iPadOS 17.4, apply to users in the ...more

Since iOS 13, your iPhone's come equipped with a fonts manager that lets you install custom fonts for use in Apple apps and supported third-party apps. To add fonts, you need to use a font provider app that'll load them on your device and register them system-wide, and one of ...more

Apple's iMessage is one of the main reasons to use an iPhone, and there's a lot you can do in chats without being overly complicated. But there's one issue that continues to drive people nuts, and that's the blue typing bubble indicator with the moving ellipsis (•••). Can you ...more

Sometimes, keeping every message comes in handy. Maybe you want to relive fun conversations from months or years ago, or perhaps you need to recall a piece of data such as an address, name, or link. However, not all chats need to stick around forever. Whether you're concerned ...more

Compromised uTorrent clients can be abused to download a malicious torrent file. The malicious file is designed to embed a persistent backdoor and execute when Windows 10 reboots, granting the attacker remote access to the operating system at will. Torrent clients like uTorre ...more

Life's pretty good for iOS public testers — we get to check out new iPhone features months before the general public even knows they exist. That said, we aren't first to the party. Developers get priority during beta testing, as evidenced by yesterday's iOS 13 dev beta 6 relea ...more

If tradition holds, we're roughly one month away from Apple's big iPhone announcement. While we're excited to see what will mainly be a significant camera upgrade, it's not all about the hardware. Apple will also release the official version of iOS 13 to coincide with the iPho ...more

Your phone's keyboard is one of the most commonly used apps. Whether you're typing out status updates, sending private messages, or just bombarding everyone in sight with as many emoji as you possibly can, you probably couldn't get by without a good keyboard app. Since Androi ...more

WhatsApp is the go-to messaging app for millions worldwide and its easy to see why. The app can be considered the Swiss Army Knife of texting thanks to numerous features like Group Chats and Status Stories, in addition to striking a great balance between ease of access and ove ...more

Many guides on Null Byte require using the Secure Shell (SSH) to connect to a remote server. Unfortunately for beginners, learning to use SSH can become a confusing mix of third-party programs and native OS support. For Chrome OS users, using SSH is even more difficult. We'll ...more

In the previous section of this series on dynamic user interfaces for HoloLens, we learned about delegates and events. At the same time we used those delegates and events to not only attach our menu system to the users gaze, but also to enable and disable the menu based on cer ...more

All you paying Spotify users are about to get another exclusive privilege besides getting out of all those annoying "Ever wonder what it would be like to have Spotify premium?" ads. The Sweden-based company is looking to lower the royalty fees they have to pay to major record ...more

Greetings my fellow hackers, In the previous article, I discussed briefly about ransomwares and their devastating capabilities. Devastating in a way that ransomwares are not only known to encrypt files but to also lockout some specific functions of the system and hold it up f ...more

Yahoo is giving its Mail app for Android a new look with its 5.3 version, giving you eleven color themes you can use to customize its look. In addition to changing the color scheme, there are a few new options rolled in as well: Rename accounts: If you have multiple accounts, ...more

It's been a while when the major web browsers first introduced HTTP Strict Transport Security, which made it more difficult to carry Man In The Middle (MITM) attacks (except IE, as always, which will support HSTS since Windows 10, surprised?). SSLStrip and the HSTS Chronicles ...more

Google makes backing up your contacts, messages, and Wi-Fi passwords extremely easy, but leaves you out in the cold when it comes the data on your internal storage. With most Android devices now lacking SD card support, when you unlock your bootloader or do a factory reset, yo ...more

If you didn't already know, Apple is giving away their newest operating system, Mavericks, for most of your computers. While the folks over at Microsoft surely despise this tactic, those of use Mac users still running Snow Leopard surely do appreciate it. While one free thing ...more

Depending on what mobile device you own, you'll see something that says "via device name" next to the date of your post on Facebook. If you're device is not recognized, you'll simply see a "via Mobile" note, which is what happens when I post from my phone. If you allowed your ...more

You no longer have to resort to a third-party email client on your iPhone to schedule messages to send whenever you want. Apple built the scheduling functionality into its Mail app, and it works with any email service you use in Mail, whether that's iCloud, Gmail, Yahoo, Outlo ...more

When Tim Cook, Craig Federighi, and other core Apple leaders take the stage for WWDC 2021 on June 7, we'll hear a lot about exciting new things to come. We're likely to see what's in store for watchOS 8 and macOS 12, but more importantly, we'll get a glimpse at what iOS 15 and ...more

Post-exploitation information gathering can be a long and drawn-out process, but it is an essential step when trying to pivot or establish advanced persistence. Every hacker should know how to enumerate a target manually, but sometimes it is worth it to automate the process. M ...more

Using Netcat to backdoor a macOS device has its short-comings. If the compromised Mac goes to sleep, the Netcat background process will occasionally fail to terminate correctly; This leaves Netcat running infinitely in the background and the attacker with no new way into the d ...more

The iOS 12.0 beta earned admiration for its superior performance to last year's controversially buggy iOS 11. That doesn't mean it was free from problems before the stable release went live. During the initial iOS 12.0 beta testing phase, there were plenty of bugs and glitches ...more

As the third-largest smartphone manufacturer in the world, Apple devices are a constant target for hackers everywhere. While iOS has seen fewer common vulnerabilities and exploits (CVEs) in recent years, iPhones still aren't hack-proof. Fortunately, you can strengthen your sec ...more

As cheesy as it sounds, #HODL became a thing for a reason. A lack of discipline when dealing with cryptocurrencies can lead to impulse buys and panic selling, and ultimately, depleted funds. Luckily, Coinbase has a way to safeguard your cryptocurrency savings to not only prote ...more

So much information exists online that it's easy to get lost in data while researching. Understanding the bigger picture can take a lot of time and energy, but narrowing the question to one that's easy to answer is the first step of any investigation. That's why analysts use o ...more

Pot, weed, bud, herb – whatever you want to call it, the green earthy treat makes everything way more fun. Now that marijuana is legal to some extent in more than half of all US states, we thought it was high time to showcase some apps that enhance your experience with the con ...more

As you may have heard, Verizon has jumped on the "giving up users' data to whomever will pay" bandwagon with its new AppFlash spyware app that's all set to be pre-installed on at least one of the Android phones they sell. Currently, AppFlash is only being tested on the LG K20 ...more

Containers are isolated software instances representing applications, servers, and even operating systems—complete with all of their dependencies, libraries configuration files, etc.—and they're taking over the corporate world. The ephemeral, portable nature of containers help ...more

It's always a pain to make sure you have enough storage on your smartphone. Pictures and videos occupy a lot of space, so your music library has to take a back seat—otherwise, you might see that pesky "Storage Full" notification at any time. If you have a large music library, ...more

My first ever post on here was 'Keeping your hacking identity secret' and it did very well, and its not something I see here on null byte. So read along. Disclaimer: I didnt introduce you this subject in my last post, but I while do that now. First, I want to clarify that t ...more

Like the majestic mountain structure it's named after, Apple's latest version of OS X, El Capitan, goes a little deeper to expand on the foundation laid by Yosemite. While the update may not be as monumental as some have hoped, it is an improvement and includes tons of useful ...more

When you think of Terminal, you probably imagine some hacker sitting in front of their computer in a dimly lit room trying to break into an FBI database. In reality, it's just a simple tool that can make using your Mac much easier. Now, I'm not saying that learning Terminal c ...more

The telecommunications industry has come a long way since Ma Bell opened the first telephone exchange in the late 1800s. With the advent of fiber optics and wireless broadband technology, we no longer have a need for a dedicated phone connection, as today's data networks can c ...more

Apple prides itself on simplicity, but the company makes downloading video and music files onto your iPad or iPhone an overly complicated process, requiring iTunes and/or iCloud. You can listen to songs sent to you via email, but you can't download them onto your iOS device l ...more

The absence of a physical keyboard is both a gift and a curse. When it was announced in 2007 that the first iPhone would have a touchscreen only, people literally lost their shit. Now, almost 7 years later, you'd be hard-pressed to find a smartphone that still has a physical k ...more

Why can't I see who is stalking my Facebook profile? There are other social networks that do let you see who's viewed your profile, mainly LinkedIn and its "Who's Viewed Your Profile" feature. Regular users can see a recent list of who has been spying on you, along with some ...more

People are always looking for ways to save money, and for the most part, saving money and cheating the system are synonymous when it comes to things like free internet access. Practically every new gadget is capable of connecting to the web, which means more and more people ar ...more

While Apple's reputation for privacy and security is nearly unmatched, it'll never be perfect when Hey Siri is always listening. Aside from iOS devices, Hey Siri always listens for questions and commands on the HomePod and HomePod mini smart speakers. If you rarely use Hey Sir ...more

After a slow phase-out, Google Play Music was shut down in December 2020. The songs you uploaded or purchased are still on Google's servers, but even those will be deleted on Feb. 24, 2021. If you plan to jump over to YouTube Music, the transfer process is straightforward and ...more

Whether we like it or not, our personal information and smartphones are tied together at the hip. The former needs the latter to deliver a personalized experience that matches our individual needs. This personal data, however, makes your phone a prime target for thieves of all ...more

Have you ever used an open wifi, which after you connect displays a website to enter your credentials to get internet? That website is called captive portal and widely used in airports, hotels, universities etc. Have you ever wondered what would happen if someone would set up ...more

Apple last month released iOS 17.2, its biggest iPhone software update since iOS 17.0, with 60 new features. Now, as of Jan. 22, we have iOS 17.3. Overall, it's not the behemoth software update that iOS 17.2 was, but it has a few exciting new things you'll definitely want to k ...more

Apple just released its biggest update to iOS 17 yet, and there are 60 exciting new changes for your iPhone. With iOS 17.2, you get a brand new app, more Apple Music enhancements, upgrades in Messages, and a new security feature that was announced last year, as well as changes ...more

Your iPhone's Messages app has some impressive new features and changes with iOS 17, and you've probably already noticed some of them just by using the updated app. But there are less apparent features, even hidden ones, that have likely eluded you that you're going to want to ...more

If you've ever used your iPhone's hidden Field Test mode to view your signal strength in decibel-milliwatts, locate the tower you're connected to, or find out the radio frequency in use, you no longer have to dig through all of the confusing-looking data every time you need to ...more

In these times of social distancing, video calling is becoming the technological substitute for face-to-face connections. For those who carry an iPhone, the art of video calling defaults to FaceTime, the native app on iOS that is exclusive to Apple devices. But what do you do ...more

Have you ever accidentally dismissed an important notification? Realized you didn't mean to delete an alert after hitting "Clear all?" Instead of pulling out your hair, know you can see the alert again — at least, a portion of it. There's been a hidden feature in Android sinc ...more

Keeping the books in order is one of the great challenges every business owner faces. Having a great product or service is one thing, but managing the minutia of invoicing can trip up a lot of small- and medium-sized businesses. Business owners have been waiting for Invoice C ...more

Apple just released iOS 13.5.1, the latest update for iPhone, on Monday, June 1. The update comes 12 days after iOS 13.5, which introduced COVID-19 exposure notifications, a Group FaceTime update, and Face ID improvements when wearing a mask. Apple released iOS 13.5.1 at 10 a ...more

It's not so difficult to stay at home during the coronavirus lockdown when there's so much free entertainment to take advantage of. That seems to be the M.O. for many studios and streaming services, as they've made so many shows and movies available to the public for free. Tha ...more

Even for those of us who enjoy spending time alone at home, at a certain point, it just gets boring. We all need social interaction, but with stay-at-home orders, that can be hard to come by. If you're feeling the itch to hang out with friends and have a good time, you should ...more